Everything to Know About Marvel’s Infinity Stones Before You See Avengers: Infinity War

Warning: This post contains spoilers for all of the Marvel Cinematic Universe films.

The Avengers chase after the Tesseract, the Guardians of the Galaxy steal an orb, Thor tries to capture Aether. These magical objects may seem like MacGuffins, plot devices that are meant to keep the Marvel Cinematic Universe moving forward. But in fact they are Infinity Stones, a group of gems that grant their owner great power.

Thanos, an evil, purple alien, wants that power to destroy half the universe.